the deal was outlined back in august at this city hall ceremony with governor jerry brown, mayor chuck reed, and samsung executive. the city of austin, texas by the way offered similar incentives in an effort to get samsung to move there. >>> after seven long years and spending millions of dollars the new devil's slide tunnels are set to open today. alex savidge is there where a ceremony is scheduled in a couple hours. alex. >> reporter: this is certainly a relief to people who drive this stretch of roadway. later on today crews are set to unvail these two new tunnels. you can see the sign right now says tunnel closed. but in just a matter of hours folks will be driving through there. this will be the highway 1 bypass at devil's slide. this is a $400 million project that features two bores through the mountain. the tunnels allow drivers to avoid a section of highway 1 that has been notorious for rock slides and mud slides. it has closed the road months at a time. devil's slide has been the site of deadly accidents as well. some drivers have gone down the cliff or into on coming traffic